"We just went out to dinner so no … I guess," Styles, 19, said when Piers Morgan asked him whether the two were dating. "I don't know," he added.
Jenner, 18, was less ambivalent about the nature of their alleged date.
"There's no story," she told Giuliana Rancic. "We're friends, he's cool."
"You go out with one person and you're automatically dating," she said of media scrutiny.
The young boy-bander and reality star met up for dinner at Craig's in West Hollywood last Wednesday and left together in a black Range Rover.